Dictionary
pol•y•i•so•prene
Pronunciation: (pol"ē-ī'su-prēn"), [key]—
n. Chem.
a thermoplastic polymer, (C
5H
8)
n, the major constituent of natural rubber and also obtained synthetically.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.